cygwin mingw编译的fltk2 library

/** * This is just small FLTK 2.0, OpenGL application * Now you can imediately compile&run it in Dev-C++ * * The code below is based on simple OpenGL example * written by Michael L Gleicher, 10/16/99 * * I've converted it to FLTK 2.0 and made this template * so it can be used out-of-box by people who learn FLTK+OpenGL. * * Enjoy FLTK! * Dejan Lekic, dejan@fltk.net, http://dejan.lekic.org */ #include <fltk/GlWindow.h> #include <windows.h> #include <GL/gl.h> #include <fltk/run.h> using namespace fltk; // New MyGlWindow type... pretty simple class MyGlWindow : public GlWindow { public: MyGlWindow(int x, int y, int w, int h) : GlWindow(x,y,w,h,"FLTK OpenGL Window") { } private: void draw() { // the draw method must be private glClearColor(0,0,0,0); // clear the window to black glClear(GL_COLOR_BUFFER_BIT); // clear the window glColor3f(1,1,0); // draw in yellow glRectf(-.5,-.5,.5,.5); // draw a filled rectangle }; }; // the main routine makes the window, and then runs an even loop // until the window is closed int main(int argc, char **argv) { int result = 0; MyGlWindow* gl = new MyGlWindow(100,100,500,500); gl->show(); // this actually opens the window result = run(); delete gl; return result; }